Classification Of Elements And Periodicity In Properties Question 300
Which of the following dianion is quite common [CPMT 2000]
Options:
A) $ {{S}^{2-}} $
B) $ S{{e}^{2-}} $
C) $ T{{e}^{2-}} $
D) $ {{O}^{2-}} $
Show Answer
Answer:
Correct Answer: D
Solution:
Due to its vacant d-orbital.
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